Mar 5, 2016

Single Guide RNA Library Design and Construction

Cold Spring Harbor Protocols
Tim WangDavid M Sabatini

Abstract

This protocol describes how to generate a single guide RNA (sgRNA) library for use in genetic screens. There are many online tools available for predicting sgRNA sequences with high target specificity and/or cleavage activity. Here, we refer the user to genome-wide sgRNA sequence predictions that we have developed for both the human and mouse and that are available from the Broad Institute website. Once a set of target genes and corresponding sgRNA sequences has been identified, customized oligonucleotide pools can be rapidly synthesized by a number of commercial vendors. Thereafter, as described here, the oligonucleotides can be efficiently cloned into an appropriate lentiviral expression vector backbone. The resulting plasmid pool can then be packaged into lentiviral particles and used to generate knockouts in any cell line of choice.

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Mentioned in this Paper

Genome
Genes
CRISPR-Cas Systems
expression vector
Genetic Screening Method
Genetic Screening (Procedure)
Cytokinesis of the Fertilized Ovum
Genetic Vectors
Mice, Knockout
Cytokinesis

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